CN102275988A - Microwave hydrothermal method for synthesizing monoclinic-phase bismuth vanadate photocatalyst powder - Google Patents
Microwave hydrothermal method for synthesizing monoclinic-phase bismuth vanadate photocatalyst powder Download PDFInfo
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- 239000000843 powder Substances 0.000 title claims abstract description 41
- 238000001027 hydrothermal synthesis Methods 0.000 title claims abstract description 34
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 21
- 229910052797 bismuth Inorganic materials 0.000 title abstract description 7
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 title abstract description 7
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 title abstract description 5
- 230000002194 synthesizing effect Effects 0.000 title abstract 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 3
- 239000002243 precursor Substances 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 13
- 238000002791 soaking Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 238000003760 magnetic stirring Methods 0.000 claims description 8
- 229910000474 mercury oxide Inorganic materials 0.000 claims description 8
- UKWHYYKOEPRTIC-UHFFFAOYSA-N mercury(ii) oxide Chemical compound [Hg]=O UKWHYYKOEPRTIC-UHFFFAOYSA-N 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- 150000001621 bismuth Chemical class 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- JCLFHZLOKITRCE-UHFFFAOYSA-N 4-pentoxyphenol Chemical compound CCCCCOC1=CC=C(O)C=C1 JCLFHZLOKITRCE-UHFFFAOYSA-N 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 7
- 230000001699 photocatalysis Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 229910052720 vanadium Inorganic materials 0.000 abstract description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 abstract description 2
- 229910002915 BiVO4 Inorganic materials 0.000 abstract 3
- 229910002651 NO3 Inorganic materials 0.000 abstract 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
- FBXVOTBTGXARNA-UHFFFAOYSA-N bismuth;trinitrate;pentahydrate Chemical compound O.O.O.O.O.[Bi+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FBXVOTBTGXARNA-UHFFFAOYSA-N 0.000 abstract 1
- 229910017604 nitric acid Inorganic materials 0.000 abstract 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- PPNKDDZCLDMRHS-UHFFFAOYSA-N dinitrooxybismuthanyl nitrate Chemical compound [Bi+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PPNKDDZCLDMRHS-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a method for synthesizing monoclinic-phase bismuth vanadate photocatalyst powder by using a microwave hydrothermal synthesis technology. The method comprises separately dissolving bismuth nitrate pentahydrate (Bi(NO3)3.5H2O) used as a bismuth source and ammonium metavanadate (NH4VO3) used as a vanadium source in HNO3 and NaOH solution at a ratio of Bi to V of 1:1, and synthesizing monoclinic-phase BiVO4 powder at the reaction temperature of 160-220 DEG C and heat-insulation time of 60-120 minutes by using a microwave hydrothermal method. In the method disclosed by the invention, monoclinic-phase BiVO4 powder with photocatalytic activity is rapidly synthesized by using the microwave hydrothermal synthesis technology. The method simultaneously has the unique characteristics of microwave heating and the advantages of the hydrothermal method, the obtained powder has uniform particle size distribution, the process is simple and easy to control, the preparation period is short, the energy is saved and the obtained monoclinic-phase BiVO4 powder has very wide application prospects.
Description
[technical field]
The invention belongs to field of functional materials, relate to a kind of synthetic method of monocline phase pucherite photocatalyst powder.
[background technology]
The conductor photocatalysis technology is cut down technology as a kind of novel environmental pollutant, and it utilizes the conductor oxidate material can be subjected to activating signal activation at the illumination lower surface, characteristics such as the efficient oxidation decomposing organic matter, reducing heavy metal ion, antibiotic and removing peculiar smell.In the photochemical catalysis of the report research both at home and abroad, TiO
2With its excellent photocatalytic performance, enjoy people's attention, become most important in recent decades photocatalyst.But because its band gap wide (3.2eV) can only have been limited TiO greatly by the short ultraviolet excitation of wavelength
2Application.
BiVO
4As a kind of non-TiO
2The novel environment friendly semiconductor light-catalyst of base, narrow because of its energy gap, nontoxic again, good stability has a wide range of applications simultaneously.BiVO
4Mainly contain three kinds of crystal formations: cubic Zircon cut, monocline scheelite type structure and cubic scheelite type structure.Wherein the energy gap of monocline crystalline phase pucherite is 2.3-2.4eV, and its sufficiently high valence band can realize hole (h fully
+) to the degraded of organic pollutant, and the conduction band position also helps the reduction of light induced electron, has higher oxidation capacity, and its valence band oxidizing potential is positioned near the 2.4eV, theoretically, can be implemented in the target of water of decomposition and degradable organic pollutant under the visible light.
At present synthetic BiVO
4Traditional method more, as solid reaction process, chemical coprecipitation, sol-gel method and hydrothermal method etc.In traditional hydrothermal synthesis method, adopt common conduction often, shortcomings such as this type of heating has that heating rate is slow, long reaction time, heat distribution is inhomogeneous, thermograde is big have had a strong impact on the character, particle scale of synthetic powder etc.
[summary of the invention]
The object of the present invention is to provide the method for the synthetic monocline phase pucherite photocatalyst powder of a kind of microwave-hydrothermal method, its reaction times is short, and technical process is simple, and even particle size distribution and cost are lower.
To achieve these goals, the present invention adopts following technical scheme:
The method of the synthetic monocline phase pucherite photocatalyst powder of a kind of microwave-hydrothermal method may further comprise the steps:
Is that 1: 1 proportioning is dissolved in HNO respectively with bismuth salt and vanadic salts according to the mol ratio of Bi: V
3In NaOH solution, adopt microwave-hydrothermal method 160～220 ℃ of temperature of reaction, soaking time is synthetic pure monocline phase BiVO under 60～120min condition
4Powder.
The present invention further improves and is: described bismuth salt is Bi (NO
3)
35H
2O, described vanadic salts are NH
4VO
3Described HNO
3The concentration of solution is 2～6mol/L, and the concentration of described NaOH solution is 1～4mol/L.
The present invention further improves and is: Bi (NO
3)
35H
2O and NH
4VO
3Amount of substance be Amol; HNO
3Solution and NaOH solution equal-volume are Bml; A: B=(0.0001～0.00075): 1.
The present invention further improves and is: the amount of substance of bismuth salt and vanadic salts is 0.002～0.015mol; Described HNO
3The volume of solution and NaOH solution is 20ml.
To achieve these goals, the present invention can also adopt following technical scheme:
The method of the synthetic monocline phase pucherite photocatalyst powder of a kind of microwave-hydrothermal method may further comprise the steps:
Step 1: with Bi (NO
3)
35H
2O is dissolved in the HNO that concentration is 2～6mol/L
3In the solution, with NH
4VO
3Being dissolved in concentration is in the NaOH solution of 1～4mol/L;
Step 2: two kinds of solution are mixed, on magnetic stirring apparatus, stir 10～30min, be mixed with precursor solution;
Step 3: precursor solution is added in the microwave hydrothermal reaction kettle, and packing ratio is 40～60%, then reactor is placed microwave-assisted hydro-thermal synthesizer, and setting temperature of reaction is 180～220 ℃, insulation 60～120min;
Step 4: after question response was finished, the yellow mercury oxide in the reactor was taken out in cooling, to neutrality, uses absolute ethanol washing with deionized water wash again, at last at 80 ℃ of following freeze-day with constant temperature, obtains monocline phase pucherite photocatalyst powder.
The present invention further improves and is: Bi (NO in the step 1
3)
35H
2O and NH
4VO
3Amount of substance identical, HNO
3Solution and NaOH solution equal-volume.
The present invention further improves and is: Bi (NO in the step 1
3)
35H
2O and NH
4VO
3Amount of substance identical, be Amol; HNO
3Solution and NaOH solution equal-volume are Bml; A: B=(0.0001～0.00075) wherein: 1.
The present invention further improves and is: described Bi (NO
3)
35H
2O is 0.002～0.015mol; Described NH
4VO
3Be 0.002～0.015mol; Described HNO
3Solution and NaOH solution are 20ml.
The present invention further improves and is: Bi (NO in the step 1
3)
35H
2O and NH
4VO
3Amount of substance identical, Bi (NO
3)
35H
2O and NH
4VO
3Amount of substance be 0.002～0.005mol, 0.002～0.01mol, 0.002～0.012mol, 0.005～0.01mol, 0.05～0.012mol, 0.05～0.015mol, 0.01～0.012mol, 0.01～0.015mol or 0.012～0.015mol.
The present invention further improves and is: temperature of reaction is 180 ℃, 200 ℃, 220 ℃, 180～200 ℃ or 200～220 ℃ in the step 3.
Compared with prior art, the present invention has the following advantages: the present invention is with five water Bismuth trinitrate (Bi (NO
3)
35H
2O) be the bismuth source, ammonium meta-vanadate (NH
4VO
3) be the vanadium source, with bismuth salt and vanadic salts according to Bi: V=1: 1 proportioning is dissolved in HNO respectively
3In NaOH solution, adopt microwave-hydrothermal method 160～220 ℃ of temperature of reaction, soaking time is synthetic pure monocline phase BiVO under 60～120min condition
4Powder.The present invention adopts the microwave hydrothermal synthetic technology to synthesize photocatalytic activity monocline phase BiVO fast
4Powder.This method possesses the heat characteristic of microwave uniqueness and the advantage of hydrothermal method simultaneously, and the powder granularity that obtains is evenly distributed, and technology is simple and easy to control, and preparation cycle is short, only needs 1～2 hour, saves the energy, has very application prospects.
[description of drawings]
Fig. 1 is the XRD figure (temperature of reaction is 200 ℃, and soaking time is 60min) of monocline phase bismuth vanadate powder of the present invention;
Fig. 2 is the SEM figure (temperature of reaction is 200 ℃, and soaking time is 60min) of monocline phase bismuth vanadate powder of the present invention.
[embodiment]
Below in conjunction with specific embodiment the present invention is further specified.
Embodiment 1:
Step 1: with 0.005mol Bi (NO
3)
35H
2It is 2mol/L HNO that O is dissolved in 20mL concentration
3In the solution, with 0.005mol NH
4VO
3Being dissolved in 20mL concentration is in the 1mol/L NaOH solution;
Step 2: two kinds of solution in the step 1 are mixed, on magnetic stirring apparatus, stir 10min, be mixed with precursor solution;
Step 3: precursor solution is added in the microwave hydrothermal reaction kettle, and packing ratio is 40%, then reactor is placed microwave-assisted hydro-thermal synthesizer, and setting temperature of reaction is 200 ℃, and soaking time is 60min;
Step 4: after question response was finished, the yellow mercury oxide in the reactor was taken out in cooling, to neutrality, uses absolute ethanol washing with deionized water wash again, at last at 80 ℃ of following freeze-day with constant temperature, obtains monocline phase BiVO
4Powder.
With the thing phase composite structure of the powder of XRD determining embodiment 1 preparation, measure the microscopic appearance of powder with SEM, its result is as depicted in figs. 1 and 2, therefrom as can be known, adopt the microwave hydrothermal method, can prepare pure monocline phase bismuth vanadate powder photocatalyst with this understanding, powder granularity is evenly distributed.
Embodiment 2:
Step 1: with 0.005mol Bi (NO
3)
35H
2It is 4mol/L HNO that O is dissolved in 20mL concentration
3In the solution, with 0.005mol NH
4VO
3Being dissolved in 20mL concentration is in the 2mol/L NaOH solution;
Step 2: two kinds of solution are mixed, on magnetic stirring apparatus, stir 20min, be mixed with precursor solution;
Step 3: precursor solution is added in the microwave hydrothermal reaction kettle, and packing ratio is 60%, then reactor is placed microwave-assisted hydro-thermal synthesizer, and setting temperature of reaction is 180 ℃, and soaking time is 90min;
Step 4: after question response was finished, the yellow mercury oxide in the reactor was taken out in cooling, to neutrality, uses absolute ethanol washing with deionized water wash again, at last at 80 ℃ of following freeze-day with constant temperature, obtains monocline phase BiVO
4Powder.
Embodiment 3:
Step 1: with 0.002mol Bi (NO
3)
35H
2It is 6mol/L HNO that O is dissolved in 20mL concentration
3In the solution, with 0.002mol NH
4VO
3Being dissolved in 20mL concentration is in the 4mol/L NaOH solution;
Step 2: two kinds of solution in the step 1 are mixed, on magnetic stirring apparatus, stir 30min, be mixed with precursor solution;
Step 3: precursor solution is added in the microwave hydrothermal reaction kettle, and packing ratio is 50%, then reactor is placed microwave-assisted hydro-thermal synthesizer, and setting temperature of reaction is 220 ℃, and soaking time is 120min;
Step 4: after question response was finished, the yellow mercury oxide in the reactor was taken out in cooling, to neutrality, uses absolute ethanol washing with deionized water wash again, at last at 80 ℃ of following freeze-day with constant temperature, obtains monocline phase BiVO
4Powder.
Embodiment 4:
Step 1: with 0.01mol Bi (NO
3)
35H
2It is 3mol/L HNO that O is dissolved in 20mL concentration
3In the solution, with 0.01mol NH
4VO
3Being dissolved in 20mL concentration is in the 4mol/L NaOH solution;
Step 2: two kinds of solution in the step 1 are mixed, on magnetic stirring apparatus, stir 15min, be mixed with precursor solution;
Step 3: precursor solution is added in the microwave hydrothermal reaction kettle, and packing ratio is 45%, then reactor is placed microwave-assisted hydro-thermal synthesizer, and setting temperature of reaction is 200 ℃, and soaking time is 120min;
Step 4: after question response was finished, the yellow mercury oxide in the reactor was taken out in cooling, to neutrality, uses absolute ethanol washing with deionized water wash again, at last at 80 ℃ of following freeze-day with constant temperature, obtains monocline phase BiVO
4Powder.
Embodiment 5:
Step 1: with 0.012mol Bi (NO
3)
35H
2It is 5mol/L HNO that O is dissolved in 20mL concentration
3In the solution, with 0.012mol NH
4VO
3Being dissolved in 20mL concentration is in the 3mol/L NaOH solution;
Step 2: two kinds of solution in the step 1 are mixed, on magnetic stirring apparatus, stir 20min, be mixed with precursor solution;
Step 3: precursor solution is added in the microwave hydrothermal reaction kettle, and packing ratio is 55%, then reactor is placed microwave-assisted hydro-thermal synthesizer, and setting temperature of reaction is 200 ℃, and soaking time is 100min;
Step 4: after question response was finished, the yellow mercury oxide in the reactor was taken out in cooling, to neutrality, uses absolute ethanol washing with deionized water wash again, at last at 80 ℃ of following freeze-day with constant temperature, obtains monocline phase BiVO
4Powder.
Embodiment 6:
Step 1: with 0.015mol Bi (NO
3)
35H
2It is 5mol/L HNO that O is dissolved in 20mL concentration
3In the solution, with 0.015mol NH
4VO
3Being dissolved in 20mL concentration is in the 2mol/L NaOH solution;
Step 2: two kinds of solution in the step 1 are mixed, on magnetic stirring apparatus, stir 30min, be mixed with precursor solution;
Step 3: precursor solution is added in the microwave hydrothermal reaction kettle, and packing ratio is 40%, then reactor is placed microwave-assisted hydro-thermal synthesizer, and setting temperature of reaction is 180 ℃, and soaking time is 60min;
Step 4: after question response was finished, the yellow mercury oxide in the reactor was taken out in cooling, to neutrality, uses absolute ethanol washing with deionized water wash again, at last at 80 ℃ of following freeze-day with constant temperature, obtains monocline phase BiVO
4Powder.
The above only is one embodiment of the present invention, it or not whole or unique embodiment, the conversion of any equivalence that those of ordinary skills take technical solution of the present invention by reading specification sheets of the present invention is claim of the present invention and contains.
Claims (10)
1. the method for the synthetic monocline phase pucherite photocatalyst powder of microwave-hydrothermal method is characterized in that, may further comprise the steps:
Is that 1: 1 proportioning is dissolved in HNO respectively with bismuth salt and vanadic salts according to the mol ratio of Bi: V
3In solution and the NaOH solution, adopt microwave-hydrothermal method 160～220 ℃ of temperature of reaction, soaking time is synthetic pure monocline phase BiVO under 60～120min condition
4Powder.
2. the method for the synthetic monocline phase pucherite photocatalyst powder of a kind of according to claim 1 microwave-hydrothermal method is characterized in that described bismuth salt is Bi (NO
3)
35H
2O, described vanadic salts are NH
4VO
3Described HNO
3The concentration of solution is 2～6mol/L, and the concentration of described NaOH solution is 1～4mol/L.
3. as the method for the synthetic monocline phase pucherite photocatalyst powder of a kind of microwave-hydrothermal method as described in the claim 2, it is characterized in that Bi (NO
3)
35H
2O and NH
4VO
3Amount of substance be Amol; HNO
3Solution and NaOH solution equal-volume are Bml; A: B=(0.0001～0.00075): 1.
4. as the method for the synthetic monocline phase pucherite photocatalyst powder of a kind of microwave-hydrothermal method as described in the claim 3, it is characterized in that the amount of substance of bismuth salt and vanadic salts is 0.002～0.015mol; Described HNO
3The volume of solution and NaOH solution is 20ml.
5. the method for the synthetic monocline phase pucherite photocatalyst powder of microwave-hydrothermal method is characterized in that, may further comprise the steps:
Step 1: with Bi (NO
3)
35H
2O is dissolved in the HNO that concentration is 2～6mol/L
3In the solution, with NH
4VO
3Being dissolved in concentration is in the NaOH solution of 1～4mol/L;
Step 2: two kinds of solution are mixed, on magnetic stirring apparatus, stir 10～30min, be mixed with precursor solution;
Step 3: precursor solution is added in the microwave hydrothermal reaction kettle, and packing ratio is 40～60%, then reactor is placed microwave-assisted hydro-thermal synthesizer, and setting temperature of reaction is 180～220 ℃, insulation 60～120min;
Step 4: after question response was finished, the yellow mercury oxide in the reactor was taken out in cooling, to neutrality, uses absolute ethanol washing with deionized water wash again, at last at 80 ℃ of following freeze-day with constant temperature, obtains monocline phase pucherite photocatalyst powder.
6. as the method for the synthetic monocline phase pucherite photocatalyst powder of a kind of microwave-hydrothermal method as described in the claim 5, it is characterized in that Bi (NO in the step 1
3)
35H
2O and NH
4VO
3Amount of substance identical, HNO
3Solution and NaOH solution equal-volume.
7. as the method for the synthetic monocline phase pucherite photocatalyst powder of a kind of microwave-hydrothermal method as described in the claim 5, it is characterized in that Bi (NO in the step 1
3)
35H
2O and NH
4VO
3Amount of substance identical, be Amol; HNO
3Solution and NaOH solution equal-volume are Bml; A: B=(0.0001～0.00075) wherein: 1.
8. as the method for the synthetic monocline phase pucherite photocatalyst powder of a kind of microwave-hydrothermal method as described in the claim 5, it is characterized in that described Bi (NO
3)
35H
2O is 0.002～0.015mol, described NH
4VO
3Be 0.002～0.015mol, Bi (NO
3)
35H
2O and NH
4VO
3Amount of substance identical; Described HNO
3Solution and NaOH solution are 20ml.
9. as the method for the synthetic monocline phase pucherite photocatalyst powder of a kind of microwave-hydrothermal method as described in the claim 8, it is characterized in that Bi (NO
3)
35H
2O and NH
4VO
3Amount of substance be 0.002mol, 0.005mol, 0.01mol, 0.012mol or 0.015mol.
10. as the method for the synthetic monocline phase pucherite photocatalyst powder of a kind of microwave-hydrothermal method as described in the claim 5, it is characterized in that temperature of reaction is 180 ℃, 200 ℃, 220 ℃, 180～200 ℃ or 200～220 ℃ in the step 3.
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| CN102553604A (en) * | 2011-12-19 | 2012-07-11 | 陕西科技大学 | Method for implementing Cu<2+> doping modification on BiVO4 photocatalyst by using microwave hydrothermal method |
| CN102580722A (en) * | 2011-12-19 | 2012-07-18 | 陕西科技大学 | Method for preparing porous loose wool-ball-shaped bismuth tungstate powder photochemical catalyst with microwave-hydrothermal method |
| CN102580721A (en) * | 2011-12-19 | 2012-07-18 | 陕西科技大学 | Method for preparing TiO2/BiVO4 composite photocatalyst by MH method |
| CN103112896A (en) * | 2013-02-06 | 2013-05-22 | 长安大学 | Method for preparing octahedral nano bismuth vanadate photocatalyst by microwave process |
| CN103240074A (en) * | 2013-04-27 | 2013-08-14 | 天津大学 | Bismuth vanadate light catalyst for exposing high-activity crystal face and preparation method for bismuth vanadate light catalyst |
| CN103962121A (en) * | 2014-04-29 | 2014-08-06 | 同济大学 | Preparation method for activated carbon non-woven fabric loaded with monoclinic phase bismuth vanadate |
| CN104328479A (en) * | 2013-07-23 | 2015-02-04 | 吉林师范大学 | Method for synthesis of (010) preferred orientation bismuth vanadate powder by glycerol preparation hydrothermal process |
| CN107626297A (en) * | 2017-09-29 | 2018-01-26 | 中南大学 | A kind of tiny balloon shape bismuth/composite bismuth vanadium photocatalyst and its preparation method and application |
| CN109133168A (en) * | 2018-08-06 | 2019-01-04 | 西安电子科技大学 | The preparation method of octahedra pucherite crystal is truncated in a kind of monoclinic phase |
| CN111992201A (en) * | 2020-08-21 | 2020-11-27 | 重庆交通大学 | One-step synthesis of BiVO by microwave hydrothermal method4/InVO4Method and application of photocatalyst |
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| CN102553604A (en) * | 2011-12-19 | 2012-07-11 | 陕西科技大学 | Method for implementing Cu<2+> doping modification on BiVO4 photocatalyst by using microwave hydrothermal method |
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| CN102580721A (en) * | 2011-12-19 | 2012-07-18 | 陕西科技大学 | Method for preparing TiO2/BiVO4 composite photocatalyst by MH method |
| CN102580721B (en) * | 2011-12-19 | 2014-07-02 | 陕西科技大学 | Method for preparing TiO2/BiVO4 composite photocatalyst by MH method |
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| CN104328479B (en) * | 2013-07-23 | 2016-08-10 | 吉林师范大学 | The method that the water-heat process utilizing glycerol to modulate synthesizes (010) preferred orientation bismuth vanadate powder |
| CN104328479A (en) * | 2013-07-23 | 2015-02-04 | 吉林师范大学 | Method for synthesis of (010) preferred orientation bismuth vanadate powder by glycerol preparation hydrothermal process |
| CN103962121A (en) * | 2014-04-29 | 2014-08-06 | 同济大学 | Preparation method for activated carbon non-woven fabric loaded with monoclinic phase bismuth vanadate |
| CN103962121B (en) * | 2014-04-29 | 2015-11-25 | 同济大学 | A kind of preparation method of active carbon nonwoven fabric of load monoclinic phase pucherite |
| CN107626297A (en) * | 2017-09-29 | 2018-01-26 | 中南大学 | A kind of tiny balloon shape bismuth/composite bismuth vanadium photocatalyst and its preparation method and application |
| CN107626297B (en) * | 2017-09-29 | 2019-09-17 | 中南大学 | A kind of tiny balloon shape bismuth/composite bismuth vanadium photocatalyst and its preparation method and application |
| CN109133168A (en) * | 2018-08-06 | 2019-01-04 | 西安电子科技大学 | The preparation method of octahedra pucherite crystal is truncated in a kind of monoclinic phase |
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